Home / 4,977.32-7,463.45-2,785.46

Finding the Fourth Proportional to 4,977.32, 7,463.45 and 2,785.46

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Solution

The fourth proportional to 4,977.32, 7,463.45 and 2,785.46 is: 4,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.32 : 7,463.45 = 2,785.46 : x
  2. Step 2: Convert to fraction form
    4,977.32/7,463.45 = 2,785.46/x
  3. Step 3: Cross multiply
    4,977.32x = 7,463.45 × 2,785.46
  4. Step 4: Simplify right side
    4,977.32x = 20,789,111.08
  5. Step 5: Solve for x
    x = 20,789,111.08/4,977.32
  6. Step 6: Final answer
    x = 4,176.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.